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If \( \dfrac{x+2}{x(x4)} = \dfrac{\text{A}}{x} + \dfrac{\text{B}}{x  4}\), find \( \text{A+B} \)
 one year ago
 one year ago
If \( \dfrac{x+2}{x(x4)} = \dfrac{\text{A}}{x} + \dfrac{\text{B}}{x  4}\), find \( \text{A+B} \)
 one year ago
 one year ago

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mahmit2012Best ResponseYou've already chosen the best response.0
dw:1355449302302:dw
 one year ago

geerky42Best ResponseYou've already chosen the best response.0
I don't get it. Please clarify your solution. Thanks.
 one year ago

mahmit2012Best ResponseYou've already chosen the best response.0
It means I chose one coefficient and multiplied to the denuminator of that and then I put the root on both sides.
 one year ago

mahmit2012Best ResponseYou've already chosen the best response.0
For example for finding out A I chose x in the denuminator then multiplied to x and then put x=0 to both sides and got A. For B is the same way.
 one year ago

zepdrixBest ResponseYou've already chosen the best response.0
@geerky42 This is an exercise in partial fractions. Do you remember how to do those?
 one year ago

geerky42Best ResponseYou've already chosen the best response.0
Sorry, I still don't get it. I mean, why does it work?
 one year ago

finkimlostBest ResponseYou've already chosen the best response.0
yea was gonna ask if it was a calculas problem
 one year ago

geerky42Best ResponseYou've already chosen the best response.0
Partial fractions? Sorry, don't ring any bells.
 one year ago

geerky42Best ResponseYou've already chosen the best response.0
So I have to use calculus to solve this problem?
 one year ago

finkimlostBest ResponseYou've already chosen the best response.0
actually nah just cal u have to use thsi to get integral
 one year ago
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